DK3227227T3 - LIQUID DISPENSERS UNDER PRESSURE WITH THREE-ROUTE VALVE FOR VENTILATION OF A CONTAINER - Google Patents

LIQUID DISPENSERS UNDER PRESSURE WITH THREE-ROUTE VALVE FOR VENTILATION OF A CONTAINER Download PDF

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Publication number
DK3227227T3
DK3227227T3 DK15801841.6T DK15801841T DK3227227T3 DK 3227227 T3 DK3227227 T3 DK 3227227T3 DK 15801841 T DK15801841 T DK 15801841T DK 3227227 T3 DK3227227 T3 DK 3227227T3
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DK
Denmark
Prior art keywords
dispensing
container
gas
way valve
connector
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DK15801841.6T
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Danish (da)
Inventor
Vanessa Valles
Daniel Peirsman
Stijn Vandekerckhove
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Anheuser Busch Inbev Sa
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Publication of DK3227227T3 publication Critical patent/DK3227227T3/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/04Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
    • B67D1/0462Squeezing collapsible or flexible beverage containers, e.g. bag-in-box containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0829Keg connection means
    • B67D1/0841Details
    • B67D1/0848Locking means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/0003Apparatus or devices for dispensing beverages on draught the beverage being a single liquid
    • B67D1/0004Apparatus or devices for dispensing beverages on draught the beverage being a single liquid the beverage being stored in a container, e.g. bottle, cartridge, bag-in-box, bowl
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/04Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0829Keg connection means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0829Keg connection means
    • B67D1/0839Automatically operating handles for locking or unlocking a connector to or from a keg
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0829Keg connection means
    • B67D1/0841Details
    • B67D1/0845Security means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0878Safety, warning or controlling devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F16K11/0856Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D2001/0093Valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D2001/0093Valves
    • B67D2001/0094Valve mountings in dispensers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Multiple-Way Valves (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Description

DESCRIPTION
Technical Field [0001] The present invention relates to pressure driven dispensing appliances for dispensing a liquid, in particular a beverage such as a carbonated beverage like beer or a malt fermented beverage contained in a container. It concerns in particular a three way valve allowing the control of the pressure inside a container.
Background for the invention [0002] Draught (or draft) beer or malt based fermented beverages (collectively referred to herein as "beer") is often preferred by consumers to bottled or canned beer. Draught beer is generally served at the counter of a public house or restaurant out of a refrigerated keg. The keg is connected to a source of pressurized gas in order to increase the pressure inside the keg and thus drive the dispensing of the beer through a dispensing tube fluidly connecting the keg to a dispensing tap, comprising a valve for controlling the flow out of said tap.
[0003] Draught beer was -and still widely is- traditionally stored in large capacity re-usable metal kegs, typically 50 I kegs (= 11 Imperial gallons). Once the kegs are empty, they are returned to the brewer for cleaning and filled with new beer. In recent years, however; a reduction of the kegs capacity offered on the market has been observed. There are two main factors explaining this trend.
[0004] First, brewers have developed various solutions for offering draught beer to individuals with specifically designed home appliances. It is clear that if 50 I kegs can be emptied reasonably rapidly in a public house (= pub) or a restaurant, this is not the case for home appliances. Hence, smaller kegs of the order of 2, 3.5, 6, or 12 litre capacity were developed. Such home appliances are often referred to as "table top dispensers" because they are small enough to stand on top of a table.
[0005] Second, even in pubs, the tastes of the consumers have shifted from traditional lager beers towards special beers, with more specific flavours. This diversification of the types of beers offered for consumption in pubs has pushed brewers to store their special beers in smaller capacity kegs, ranging from 10 to 25 I kegs. Since such kegs are too large to stand on top of a counter, and probably too small to justify storing them in a basement far away from the tap, they are usually stored directly under the tapping column, usually in a refrigerated chamber or closet. For this reason and by opposition to the expression "table top dispensers", such dispensing systems used in pubs are often referred to as "under the counter dispensers".
[0006] With smaller kegs, collecting, cleaning, sterilizing, re-filling and re-distributing metal kegs becomes too expensive and has a substantial ecological impact. For this reason, containers (or kegs) made of polymer, e.g., in polyester such as PET, have been developed which are totally recyclable, thus considerably reducing the ecological impact and cost of packaging draught beer. Particular examples of polymeric kegs are so-called bag-incontainers, wherein the keg comprises an outer container which is relatively rigid and mechanically stable, and an inner bag, which is flexible and contains the beer to be dispensed (cf. Figure 2). Dispensing of the beer out of a bag-in-container is driven by injecting pressurized gas between the outer container and the inner bag, thus squeezing the latter and expelling the content of the inner bag out into a dispensing tube. One major advantage of bag-in-containers is that the pressurizing gas does not contact the liquid to be dispensed, and a simple compressor or pump can be used, instead of the traditional CO2 pressure bottles. Examples of polymeric bag-in-containers can be found in EP2146832, EP2148770, EP2148771, EP2152494.
[0007] As is often the case in fields having a well established tradition, this change of keg format and materials is, at least in a first stage, implemented by simple replacement of the large metal keg by polymeric kegs, generally smaller in size, without changing any of the other auxiliary elements of the dispensing appliances, such as keg connectors, tubing, storing closet for storing the kegs, etc. New keg connectors and storing closets particularly suitable for polymeric kegs of smaller format have been recently proposed in European patent applications No EP14181401 and EP14161266.
[0008] Collecting metal kegs in a cycle of cleaning and re-using them has quite different demands than collecting polymeric kegs for recycling of the polymeric material. For example, the polymeric kegs are advantageously squeezed prior to transportation so as to reduce the volume of empty kegs, when this is of course out of question with metal kegs meant to be reused. It is therefore problematic to squeeze an empty container which interior is pressurized, as more energy is required to overcome the inner pressure, and when the inner pressure is released it can be unpleasant, if not dangerous, as it can be accompanied by a sudden burst.
[0009] A dispensing appliance according to the preamble of claim 1 is known, for instance, from WO99/52814. It can be seen from this review of the prior art, that it remains a need in the art for a dispensing appliance which is better adapted for use with the new generation of smaller, polymeric kegs, which are meant for recycling instead of re-using. This and other objects of this invention will be evident when viewed in light of the drawings, detailed description, and appended claims.
Summary of the invention [0010] The present invention is defined in the appended independent claims. Preferred embodiments are defined in the dependent claims. In particular, the present invention concerns a dispensing appliance according to claim 1.
[0011] In a particularly advantageous embodiment, the dispensing appliance further comprising a keg connector comprising a dispensing channel suitable for being coupled in fluid communication with the upstream end of the dispensing tube, and comprising a gas channel suitable for being coupled in fluid communication with the keg duct of the three way valve. Both dispensing channel and gas channel are suitable for being coupled to a mouth of a container such that the interior of the container is brought in fluid communication with the dispensing tube and with the gas tube, respectively. In a preferred embodiment, the keg duct comprises coupling means for reversibly coupling the three way valve to the gas channel of the keg connector. Said fastening means can be selected from a screwing thread, a bayonet, a snap fit, or a flexible tube portion with a tightening bridle.
[0012] The three way valve may advantageously comprise a rotating mandrel pierced by a channel comprising two openings, said rotating mandrel being rotatingly and snugly mounted in a cavity of a housing, and wherein switching of the three way valve from the dispensing position to the venting position is carried out by rotation about a rotation axis, X1, of said rotating mandrel with respect to the housing. In this embodiment, the channel must have a geometry such that by rotation of the rotating mandrel about the rotation axis, X1, by a given angle, the rotating mandrel position is switched between: • fluidly communicating the keg duct with the gas duct, thus defining the dispensing position, and • fluidly communicating the keg duct with the vent duct, thus defining the vent position.
[0013] In the foregoing embodiment, it is particularly advantageous if the gas duct of the three way valve extends transverse to the rotation axis, X1, and can rotate about said rotation axis, X1. This can be achieved, e.g., with a housing (1h) comprising, • a static portion comprising the vent duct and a gas opening, and • a rotating portion comprising the gas duct, wherein the rotating portion can rotate about the rotation axis, X1, with respect to the static portion,
With such housing, the three way valve preferably comprises, • an annular gap extending about the rotation axis, X1, and being in fluid communication with the gas duct, and • a bridging channel fluidly communicating the annular gap with a gas opening provided in the static portion of the housing, wherein said gas opening can be brought into fluid communication with the channel of the mandrel by rotation of the mandrel to its dispensing position.
[0014] When a keg connector is used, said keg connector comprises clamping means for coupling the keg connector to a container, said clamping means being actuated by actuating means from a coupling position, wherein the keg connector is coupled to the container to an release position, wherein the keg connector can be removed from the container, the three way valve is preferably provided with blocking means, such that when the three way valve is in its dispensing position, said blocking means interact with a coupling element such that the clamping means of the keg connector cannot be brought from their coupling position to their release position before switching the three way valve from its dispensing position to its venting position to thus release the blocking means from the coupling element.
[0015] The dispensing appliance preferably comprises a container containing a liquid to be dispensed and a mouth sealed by a closure comprising at least one opening allowing to bring an interior of the container in fluid communication with both the upstream end of the dispensing tube and the gas duct of the three way valve, the upstream end of the gas tube being connected to a source of pressurized gas.
[0016] The present invention also concerns a method for loading and unloading a container (9) onto a dispensing appliance as defined supra, comprising the following steps: 1. (a) Providing a container containing a liquid to be dispensed and a mouth sealed by a closure comprising at least one opening; 2. (b) Bringing the upstream end of the dispensing tube in fluid communication with an interior of the container through said at least one opening of the closure, with the dispensing valve being in a closed position preventing any flow of liquid therethrough; 3. (c) Bringing the gas duct of the three way valve in fluid communication with an interior of the container (9), and connecting the upstream end of the gas tube to a source of pressurized gas; 4. (d) Switching the three way valve to its dispensing position to allow pressurized gas to flow into an interior of the container; and 5. (e) Opening the dispensing valve to dispense the liquid out of the container through the dispensing tube.
[0017] It is preferred to use a keg connector as discussed supra. The foregoing method thus preferably comprises the steps of: (b1) coupling the upstream end of the dispensing tube (21) to the dispensing channel (11d) of the keg connector; (c1) coupling the gas duct (1g) of the three way valve to the gas channel (11g) of the connector; and (c2) coupling the keg connector (11) to the mouth of the container such that both dispensing channel and gas channel bring the interior of the container in fluid communication with the dispensing tube and with the gas tube, respectively.
[0018] After use, the container can be removed from the dispensing appliance by: (f) Switching the three way valve from its dispensing position to its venting position to allow the pressure inside the container to drop in balance with the atmospheric pressure, and (g) Removing the container from the dispensing appliance.
[0019] If a keg connector is used, it may be removed prior to removing the container from the dispensing appliance.
Brief description of the Figures [0020] For a fuller understanding of the nature of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings in which:
Figure 1: illustrates a dispensing appliance comprising a three way valve as defined in the present invention used with a single wall keg using a dispensing spear (a) before use, (b) after emptying of the keg.
Figure 2: illustrates a dispensing appliance comprising a three way valve as defined in the present invention used with a bag-in-container (a) before use, (b) after collapsing and emptying the inner bag.
Figure 3: illustrates a top cut view of an embodiment of three way valve as defined in the present invention (a) in dispensing position, and (b) in venting position.
Figure 4: illustrates an alternative embodiment of three way valve as defined in the present invention in dispensing position (a) side cut view along plane A-A, and (b) top cut view.
Figure 5: illustrates the three way valve of Figure 4 in venting position (a) side cut view along plane A-A, and (b) top cut view.
Figure 6: illustrates a side cut view of an embodiment of a housing of a three way valve as defined in the present invention allowing the rotation of the gas duct (a) along a first plane, and (b) along a second plane normal to the first plane.
Figure 7: illustrates an alternative embodiment of three way valve as defined in the present invention in dispensing position, allowing the rotation of the gas duct and comprising the housing illustrated in Figure 6: (a) side cut view along plane A-A, and (b) top cut view.
Figure 8: illustrates the three way valve of Figure 7 in venting position (a) side cut view along plane A-A, and (b) top cut view.
Figure 9: Illustrates an embodiment of a keg connector comprising a three way valve as defined in the present invention (a) in dispensing position, and (b) in venting position.
Figure 10: Illustrates a second embodiment of a keg connector comprising a three way valve as defined in the present invention (a) in dispensing position, and (b) in venting position.
Figure 11: illustrates an embodiment of dispensing appliance comprising a three way valve as defined in the present invention.
Figure 12: shows a three way valve as defined in the present invention (a) perspective view, (b) side cut view along a first plane, and (c) side cut view along a second plane normal to the first plane.
Detailed description of the invention [0021] As shown in Figures 1, 2, and 11, a dispensing appliance according to the present invention comprises: 1. (a) A dispensing tube (21) for dispensing the liquid from the container through a dispensing valve (23v); said dispensing tube comprises an upstream end and a downstream end; and 2. (b) A gas tube (22) for feeding a pressurized gas into the container for driving the dispensing of liquid out of the container through the dispensing tube (21), said gas tube comprising a downstream end and an upstream end, the latter being connectable to a source of pressurized gas (22g); The source of pressurized gas can be a bottle of pressurized gas such as CO2 or N2 or, alternatively, it can be a pump or compressor feeding compressed air. The latter is possible only with liquids which are not sensitive to contact with air, or with containers of the type bag-in-container, wherein there is no contact between the pressurized air and the liquid contained in the inner bag.
[0022] The downstream end of the gas tube (22) is coupled to a three way valve (1). Said three way valve comprises: • A keg duct (1k) suitable for being brought into fluid communication with the interior of the container; • A gas duct (1 g) connected to the downstream end of the gas tube; and • A vent duct (1v) [0023] As can be well appreciated in Figure 3, the three way valve can switch from a dispensing position (1d) wherein the keg duct is in fluid communication with the gas duct (1 g), and out of fluid communication with the vent duct (1v), to a venting position (1 dg), wherein the keg duct (1k) is in fluid communication with the vent duct (1v), and out of fluid communication with the gas duct (11 g).
[0024] The use of a three way valve coupled to the downstream end of the gas tube is highly advantageous when using polymeric containers which are not meant for being used again but, which are instead meant for being recycled. Indeed, in traditional metal kegs meant for re-use once the liquid contained therein has been dispensed, the empty metal kegs are simply uncoupled from the dispensing tube and gas tube, and removed from the dispensing appliance with the interior of the kegs still pressurized by the pressurized gas used for driving the dispensing of the liquid originally contained therein. This also requires the use of a valve which seals the interior of the keg when uncoupling the dispensing tube and gas tube. The use of such valve in a disposable polymeric keg is detrimental to the cost of the keg. Furthermore, it is advantageous to collapse the empty polymeric kegs prior to shipping them to a recycling facility in order to reduce the volume during transportation. This has, of course, never been a concern up to date, with re-usable metal kegs.
[0025] It is preferred to use a keg connector (11) to easily and swiftly couple both dispensing tube (21) and gas tube (22) to a container in a single movement. A keg connector (11) suitable for the present invention may comprise a dispensing channel (11 d) suitable for being coupled in fluid communication with the upstream end of the dispensing tube (21), and comprising a gas channel (11g) suitable for being coupled in fluid communication with the keg duct (1k) of the three way valve. Both dispensing channel and gas channel are suitable for being coupled to a mouth of a container such that the interior of the container is brought in fluid communication with the dispensing tube and with the gas tube, respectively. Examples of keg connectors suitable for the present invention are disclosed in WO2014057099, and patent application No EP14181401 and EP14161266.
[0026] With single wall kegs, as illustrated in Figure 1, which function like traditional metal kegs, both dispensing channel (11d) and gas channel (11g) of the keg connector are brought in fluid communication with a same volume of the interior of the keg. The dispensing duct (11 d) must be prolonged with a hollow spear (9s) extending down to the bottom of the keg with openings to dispense the liquid remaining at the bottom of the keg. By "extending down to the bottom of the keg", it is meant to extend where the last drops of the liquid will gather upon use. This depends of course on the orientation of the keg during use. In many cases, the kegs are stored standing upright as shown in Figure 1, but they can be stored horizontally. In this case, the spear (9s) must be curved or simply flexible enough such that the end thereof contacts the lateral wall of the keg, where the last drops of liquid will be found. The gas channel (11g) generally opens at the head space above the level of the liquid contained in the container. When the level of liquid drops below the lowest opening of the spear (9s) the keg is considered empty and can be removed. When gas enters into the hollow spear, foam is formed. This should be avoided and therefore indicates the end of use of the keg which should be considered as empty.
[0027] With bag-in-containers, as illustrated in Figure 2, the dispensing channel is brought in fluid communication with the interior of the inner bag (9b) containing the liquid to be dispensed. No spear (9s) is required here, because the collapse of the inner bag eliminates any headspace. The gas channel (11 g) does not open at the interior of the inner bag (9b) but in the space defined between said inner bag (9b) and the outer container (9). This way, the pressurizing gas never contacts the liquid contained in the inner bag, and air pressurized with a simple compressor can be used instead of a pressurized CO2 or N2 bottle. After complete collapse of the inner bag (9b), the bag-in-container is empty and can be removed.
[0028] Contrary to current practice, however, prior to removing the keg connector the pressure inside the container is reduced by turning the three way valve (1) from dispensing position (1d) to venting or degassing position (1 dg), bringing the pressurized inner volume of the container in fluid communication with atmosphere, in order to bring the pressure inside the container to atmospheric pressure. Once vented, the keg connector (11) can be removed as traditionally performed, and the empty keg can be replaced by a new one. The spent container can be squeezed to reduce volume for transportation to a recycling facility.
[0029] The three way valve (1) can be permanently fixed to an upstream end of the gas channel (11 g) of a keg connector (11). Since the three way valves of the present invention can be produced at a very low cost, lower than the keg connectors, however, it can be advantageous to not permanently fix them to the keg connectors, in case they should get damaged before the latter. It is therefore preferred that the keg duct (1k) comprises coupling means for reversibly coupling the three way valve to the gas channel (11g) of the keg connector (11). Said fastening means can be selected from a screwing thread, a bayonet, a snap fit, a flexible tube portion with a tightening bridle, or any other means known in the art for rapidly and safely coupling two ducts together.
[0030] As shown in Figures 3 to 10 and 12, in a preferred embodiment the three way valve comprises a rotating mandrel (1m) pierced by a channel (4) comprising two openings and rotatingly and snugly mounted in a cavity of a housing (1h). An example of housing is illustrated in Figure 6. By rotating said rotating mandrel (1m) about a rotation axis, X1, with respect to the housing (1h) the three way valve can easily be switched from the dispensing position (1d) to the venting position (1dg) (compare (a)&(b) of Figure 3, Figures 4&5, and Figures 7&8 which show three way valves in dispensing position and venting position, respectively). The channel (4) has a geometry such that by rotation of the rotating mandrel about the rotation axis, X1, by a given angle, the two openings of the channel (4) are brought in registry with the keg duct, gas duct and vent duct such that the three way valve can be switched between fluidly communicating the keg duct (1k) and gas duct (1 g), thus defining the dispensing position (1d), and fluidly communicating the keg duct (1k) and the vent duct (1v), thus defining the vent position (1dg).
[0031] In Figure 3 the three ducts: keg duct (1k); gas duct (1g) and vent duct (1v) are disposed around, and extend radially from a cylindrical wall of the housing (1h) of the three way valve. The channel (4) forms an angle, a, and the three way valve can be switched from dispensing position (1d) to venting position (1dg) by rotation of the rotating mandrel (1m) by an angle, a. In order to help the user to rotate the mandrel by the correct angle, notches and matching protrusions may be disposed at appropriate positions (not shown in the Figures) to "click" the mandrel (1 m) into the desired angular position.
[0032] In Figures 4&5 and 7&8, the keg duct (1k) is oriented coaxially with the rotating axis, X1, of the rotating mandrel (1m). This configuration leaves total freedom for choosing the angle between the vent duct (1v) and the gas duct (1 g), both extending radially with respect to the same rotation axis, X1. The angle between the vent duct (1v) and the gas duct (1g) determines the rotation angle of the mandrel (1m) required for the three way valve to switch from the dispensing position (1d) to the venting position (1dg) and return.
[0033] The three way valve embodiment illustrated in Figures 7&8 is particularly preferred because the gas duct (1g) of the three way valve, which extends transverse (radially with respect) to the rotation axis, X1, can rotate about said rotation axis, X1. This is particularly advantageous as it permits to prevent any sharp angle and kink from forming in the gas tube (22) which could lead to a premature degradation thereof. Indeed, since the gas duct (1g) can freely rotate about the rotation axis, X1, it can adopt the best configuration for the gas tube (22) to hang loose without any stress. The rotation of the gas duct (1g) can be obtained by using a housing (1h) of the type depicted in Figure 6, comprising two distinct portions: • a static portion (1s) comprising the vent duct (1v) and a gas opening (2g) and, in the embodiment of Figures 6 to 8, also comprising the keg duct (1k) extending coaxially with the rotation axis, X1, (but it could also extend radially as in Figure 3); and • a rotating portion (1r) comprising the gas duct (1g), wherein the rotating portion can rotate about the rotation axis, X1, with respect to the static portion,
In this embodiment, the three way valve also comprises, • an annular gap (2), quite visible in Figure 6 showing the housing (1h); extending about the rotational axis, X1, and being in fluid communication with the gas duct (1 g), and • a bridging channel (2b) fluidly communicating the annular gap (2) with the gas opening (2g) provided in the static portion (1s) of the housing (1 h), wherein said gas opening (2g) can be brought into fluid communication with the channel (4) of the mandrel (1m) by rotation of the mandrel (1m) to its dispensing position (1d).
[0034] Thanks to the annular gap in the rotation portion (1r) of the three way valve, the gas duct is permanently in fluid communication with the gas opening (2b) regardless of the angular position of the gas duct. The gas opening (2b) can then be brought in registry with the channel (4) of the mandrel (1m) by rotation of the latter (compare Figure 7 showing the three way valve in its dispensing position (1d) and Figure 8 showing the same three way valve in its venting position (1dg).
[0035] The same result of a rotating gas duct (1g) can also be obtained by using a a three way valve according to Figure 3 or 4&5, wherein the keg duct (1k) is either, • coupled to a keg or to a keg connector with coupling means allowing rotation of the keg duct (1 k), and therefore of the three way valve, or • rotatably mounted to the three way valve.
[0036] Figure 12 shows another embodiment of a three way valve wherein, as with the three way valve illustrated in Figures 7&8, the gas duct (1g) is mounted such that it can rotate about the rotation axis, X1. In this embodiment, the gas duct (1g) is rotatably mounted on the housing (1h) by means of a rotating ring (1r) circumscribing a static portion (1s) of the housing. An annular gap (2) between the ring (1r) and the static portion (1s) of the housing ensures that pressurized gas can be brought into fluid communication with the channel (4) of the rotating mandrel (1m) when the three way valve is switched to its dispensing position, regardless of the angular position of the gas duct (1g). Sealing means such as O-rings are illustrated in Figure 12 (not shown in the other Figures) to ensure gas tightness between any two adjacent components of the three way valve. Switching between a dispensing position and a venting position is actuated by rotating the lever (1L) which is rigidly coupled to the rotating mandrel (1m). The keg duct (1k) is provided with a thread suitable for coupling it to a keg connector (11) or directly to a keg closure (10).
[0037] When a keg connector is used, it is usual that it comprises clamping means (11c) for coupling the keg connector to a container (9), said clamping means being actuated by actuating means (11L) from a coupling position (cf. Figures 9(a)&10(a)), wherein the keg connector is coupled to the container to a release position (cf. Figures 9(b)&10(b)), wherein the keg connector can be removed from the container. The actuating means (11L) can be a lever as illustrated in Figures 9&10, or it can be any other means known in the art, such as snap fits, threaded ring, knob, etc.
[0038] In order to prevent an end user from withdrawing the keg connector (11) from an empty container (9) before having vented the interior of the container, the three way valve is provided with blocking means (1L), such that when the three way valve is in its dispensing position (1 d), said blocking means interact with a coupling element (11 p) such that the clamping means (11c) of the keg connector cannot be brought from its coupling position to its release position before switching the three way valve from its dispensing position (1d) to its venting position (1dg) to thus release the blocking means from the coupling element (11p). In the embodiment illustrated in Figure 9, the blocking means (1L) is in the shape of a rotating rod fixed to the rotation axis, X1, provided with a notch, the rotation of said rod allowing the switching of the three way valve from its dispensing position (1d) to its venting position (1dg). The actuating lever (11L) of the keg connector comprises a coupling element in the shape of a protruding pin (11 p) such that when the actuating lever (11L) is in its coupling position and the three way valve is in its dispensing position, the protruding pin (11 p) is engaged in the notch of the rotating rod (1L) and the actuating lever cannot be raised to bring the clamping means in their release position (cf. Figure 9(a)). When it is desired to uncouple the keg connector (11) from the container (9), the rotating rod (1L) must first be rotated to disengage the pin from the notch of the rotating rod. Said rotation actually switches the three way valve from its dispensing position to its venting position, thus balancing the pressure inside the container with atmospheric pressure. With this simple system, the keg connector cannot be uncoupled from the container without venting the inside of the container first.
[0039] In an alternative embodiment illustrated in Figure 10, a three way valve (1) comprises a rotating rod (1L) as discussed above, which rotation switches the three way valve from a dispensing position to a venting position and reverse. As discussed before, when the keg connector (11) is clamped in position at the mouth of the container, the rotating rod (1L) is coupled to the actuating lever (11L) of the keg connector, e.g., by means of a rigid wire (1W) or any other coupling means. The difference with the previous embodiment is that when unclamping the keg connector, the rotating rod needs not be disengaged from the actuating lever first. On the contrary, the raising of the actuating lever (11L) drives the rotation of the rotating rod (1L) which is still coupled to the actuating lever by means of the wire (1W), switching the three way valve from its dispensing position to its venting position. The advantage of this embodiment over the previous one is that a single move is sufficient for unclamping the keg connector and venting the interior of the container, whilst two moves are required in the former embodiment.
[0040] Figure 11 illustrates a dispensing appliance comprising a container (9) containing a liquid to be dispensed and a mouth sealed by a closure (10) comprising at least one opening allowing an interior of the container to be brought in fluid communication with both dispensing tube (21) and gas duct (1g) of the three way valve, the upstream end of the gas tube being connected to a source of pressurized gas (22g). The storing closet (31) may or may not be cooled with cooling means (31c). Depending on the size of the container (9), it can be stored under the counter or on top of a table top. The source of pressurized gas (22g) illustrated in Figure 11 is a bottle of pressurized gas, but it can also be a compressor as shown in Figures 1, 2, 9, and 10.
[0041] A container (9) can be loaded onto a dispensing appliance according to the present invention for dispensing a liquid contained therein, such as a beverage, like beer or any other carbonated beverage, with the following steps: 1. (a) Providing a container (9) containing a liquid to be dispensed and a mouth sealed by a closure (10) comprising at least one opening; the container is preferably a polymeric container and, more preferably, a polymeric bag-in-container. 2. (b) Bringing the upstream end of a dispensing tube (21) in fluid communication with an interior of the container through said at least one opening of the closure (10), with the dispensing valve (23v) being in a closed position preventing any flow of liquid therethrough; 3. (c) Bringing a gas duct (1g) of the three way valve in fluid communication with an interior of the container (9), and connecting the upstream end of the gas tube (22) to a source of pressurized gas (22g), 4. (d) Switching the three way valve to its dispensing position (1d) to allow pressurized gas to flow into an interior of the container; and 5. (e) Opening the dispensing valve (23v) to dispense the liquid out of the container through the dispensing tube (21).
[0042] Steps (b) and (c) of bringing an interior of the container in fluid communication with the upstream end of the dispensing tube and with the downstream end of the gas tube can advantageously be carried out simultaneously by using a keg connector (11) as illustrated in Figures 9 and 10 and as disclosed in WO2014057099 or EP patent application No EP14161266. The upstream end of the dispensing tube (21) is to be coupled to the dispensing channel (11d) of the keg connector. The gas duct (1g) of the three way valve is to be coupled to the gas channel (11g) of the connector. The keg connector (11) thus coupled to the dispensing tube and gas tube can be coupled to the mouth of the container such that both dispensing channel and gas channel bring the interior of the container in fluid communication with the dispensing tube and with the gas tube, respectively.
[0043] When it is desired to remove a container from a dispensing appliance according to the present invention, in particular, after the container has been emptied, the container can be removed as follows: (f) Switching the three way valve from its dispensing position (1d) to its venting position (1dg) to allow the pressure inside the container to drop in balance with the atmospheric pressure, and (g) Removing the container from the dispensing appliance. If a keg connector is used, it can be uncoupled from the container prior to removing the container.
[0044] The interior of the empty container is now in balance with atmospheric pressure. For polymeric container, it can be squeezed without danger and shipped to a recycling facility.
REFERENCES CITED IN THE DESCRIPTION
This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.
Patent documents cited in the description
• EP2146832A iQGQSI • EP2148770A [00061 • EP214877IA [00061 • EP2152494A [60081 • EP14161266A [60071 [60251 [6042] • W02014057099A [00251 [00421

Claims (13)

1. Dispenseringsapparat til dispensering af en væske indeholdt i en beholder (9), hvilket apparat omfatter: (a) et dispenseringsrør (21) til dispensering af væsken fra beholderen gennem en dispenseringsventil (23v), hvilket dispenseringsrør omfatter en opstrømsende og en nedstrømsende; (b) et gasrør (22) til tilførsel en gas under tryk ind i beholderen til at drive dispenseringen af væske ud af beholderen gennem dispenseringsrøret (21), hvilket gasrør omfatter en nedstrømsende og en opstrømsende, hvor sidstnævnte kan forbindes med en kilde af gas under tryk (22g); der endvidere omfatter en trevejsventil (1) koblet til nedstrømsenden af gasrøret (22), hvilken trevejsventil omfatter: • en fustageledning (lk), der er egnet til at blive bragt i fluidforbindelse med det indre af beholderen; • en gasledning (lg), der er forbundet med nedstrømsenden af gasrøret; og • en ventilationsledning (lv); hvor trevejsventilen kan skifte fra en dispenseringsposition (ld), hvor fustageledningen (lk) står i fluidforbindelse med gasledningen (lg), og ud af fluidforbindelse med ventilationsledningen (lv), til en ventileringsposition (ldg), hvor fustageledningen (lk) står i fluidforbindelse med ventilationsledningen (lv), og ud af fluidforbindelse med gasledningen (lg), kendetegnet ved, at trevejsventilen er forsynet med blokeringsmidler, således, når trevejsventilen er i dens dispenseringsposition (ld), at blokeringsmidleme interagerer med et koblingselement (1 lp), således at et fastspændingsmiddel (11c) af en fustagekonnektor (11) til kobling af fustagekonnektoren til en beholder (9) ikke kan bringes fra deres koblingsposition til deres frigørelsesposition før omskiftning af trevejsventilen fra dens dispenseringsposition (ld) til dens ventileringsposition (ldg) for derved at frigøre blokeringsmidleme fra koblingselementet (1 lp).Dispensing apparatus for dispensing a liquid contained in a container (9), comprising: (a) a dispensing tube (21) for dispensing the liquid from the container through a dispensing valve (23v), which dispensing tube comprises an upstream end and a downstream end; (b) a gas pipe (22) for supplying a pressurized gas into the container to drive the dispensing of liquid out of the container through the dispensing tube (21), said gas pipe comprising a downstream end and an upstream end where the latter can be connected to a source of gas under pressure (22g); further comprising a three-way valve (1) coupled to the downstream end of the gas tube (22), the three-way valve comprising: • a fustag (1k) conduit suitable for being fluidly communicated with the interior of the container; A gas line (Ig) connected to the downstream end of the gas pipe; and • a ventilation line (lv); wherein the three-way valve may change from a dispensing position (ld), where the fuselage conduit (lk) is in fluid communication with the gas conduit (lg), and out of fluid communication with the ventilation conduit (lv), to a venting position (ldg) where the fuselage conduit (lk) is in fluid communication with the vent line (lv) and out of fluid communication with the gas line (lg), characterized in that the three-way valve is provided with blocking means, so that when the three-way valve is in its dispensing position (ld), the blocking means interact with a coupling element (1p), thus that a clamping means (11c) of a clutch connector (11) for coupling the clutch connector to a container (9) cannot be brought from their clutch position to their release position before switching the three-way valve from its dispensing position (ld) to its venting position (ldg), release the blocking means from the coupling element (1 lp). 2. Dispenseringsapparat ifølge krav 1, der endvidere omfatter en fustagekonnektor (11), der omfatter en dispenseringskanal (lid), der er egnet til at koble i fluidforbindelse med opstrømsenden af dispenseringsrøret (21), og som omfatter en gaskanal (lig), der er egnet til at blive koblet i fluidforbindelse med trevejsventilens fustageledning (lk), hvor både dispenseringskanalen og gaskanalen er egnede til at blive koblet til en munding af en beholder, således at det indre af beholderen bringes i fluidforbindelse med henholdsvis dispenseringsrøret og med gasrøret.Dispensing apparatus according to claim 1, further comprising a hold-down connector (11) comprising a dispensing duct (lid) suitable for coupling in fluid communication with the upstream end of the dispensing tube (21) and comprising a gas duct (body) which is suitable for being coupled in fluid communication with the three-way valve gland (1k), wherein both the dispensing duct and the gas duct are suitable for being coupled to an orifice of a container so that the interior of the container is in fluid communication with the dispensing tube and with the gas tube, respectively. 3. Dispenseringsapparat ifølge krav 2, hvor fustageledningen (lk) omfatter koblingsmidler til reversibelt at koble trevejsventilen til fustagekonnektorens (11) gaskanal (lig), hvor koblingsmidleme fortrinsvis er valgt ffa et skruegevind, et bajonetgevind, en tryklukning eller en fleksibel rørdel med en spændebøjle.Dispensing apparatus according to claim 2, wherein the gland line (1k) comprises coupling means for reversibly coupling the three-way valve to the gas channel (body) of the gland connector (11), wherein the gating means are preferably selected for a screw thread, a bayonet thread, a pressure closure or a flexible pipe joint or flexible pipe . 4. Dispenseringsapparat ifølge et hvilket som helst af de foregående krav, hvor trevej sventilen omfatter en roterende dom (lm), der er gennemboret af en kanal (4), som omfatter to åbninger, hvilken roterende dom er roterende og nøjagtigt monteret i et hulrum af et hus (lh), og hvor omskiftning af trevej sventilen fra dispenseringspositionen (ld) til ventileringspositionen (1 dg) sker ved rotation omkring en rotationsakse, XI, for den roterende dom (lm) i forhold til huset (lh), og hvor kanalen (4) har en geometri, således at ved rotation af den roterende dom omkring rotationsaksen, XI, i en given vinkel, den roterende domposition omskiftes mellem fluidmæssig forbindelse af fustageledningen (lk) med gasledningen (lg), hvorved dispenseringspositionen (ld) defineres, og fluidmæssig forbindelse med fustageledningen (lk) med ventilationsledningen (lv), hvorved ventilationspositionen (ldg) defineres.Dispensing apparatus according to any one of the preceding claims, wherein the three-way valve comprises a rotating mandrel (1m) pierced by a channel (4) comprising two openings, said rotary mandrel being rotating and precisely mounted in a cavity. of a housing (lh), and where switching of the three-way valve from the dispensing position (ld) to the ventilation position (1 dg) occurs by rotation about a axis of rotation, XI, of the rotary judgment (lm) relative to the housing (lh), and the channel (4) has a geometry such that, by rotating the rotating dome about the axis of rotation, XI, at a given angle, the rotating dome position is switched between fluid connection of the fustage conduit (lk) with the gas conduit (lg), thereby defining the dispensing position (ld) , and fluid connection of the gland line (lk) with the vent line (lv), thereby defining the vent position (ldg). 5. Dispenseringsapparat ifølge et hvilket som helst foregående krav, hvor trevej sventilens gasledning (lg) strækker sig på tværs af rotationsaksen, XI, og kan rotere omkring rotationsaksen, XI.Dispensing apparatus according to any preceding claim, wherein the three-way valve gas line (lg) extends across the axis of rotation, XI, and can rotate about the axis of rotation, XI. 6. Dispenseringsapparat ifølge et hvilket som helst foregående krav, hvor huset (lh) omfatter, • en statisk del (ls), der omfatter ventilationsledningen (lv) og en gasåbning (2g), og • en roterende del (lr), der omfatter gasledningen (lg), hvor rotationsdelen kan rotere omkring rotationsaksen, XI, i forhold til den statiske del.Dispensing apparatus according to any preceding claim, wherein the housing (lh) comprises, • a static part (ls) comprising the ventilation line (lv) and a gas opening (2g), and • a rotating part (lr) comprising the gas line (Ig), wherein the rotary member can rotate about the axis of rotation, XI, relative to the static member. 7. Dispenseringsapparat ifølge et hvilket som helst foregående krav, hvor trevej sventilen omfatter, • en ringformet åbning (2), der strækker sig omkring rotationsaksen, XI, og står i fluidforbindelse med gasledningen (lg), og • en brodannende kanal (2b), der fluidmæssigt forbinder den ringformede åbning (2) med en gasåbning (2g) tilvejebragt i den statiske del (ls) af huset (lh), hvor gasåbningen (2g) kan bringes i fluidforbindelse med domens (lm) kanal (4) ved rotation af domen (lm) til dens dispenseringsposition (ld).Dispensing apparatus according to any preceding claim, wherein the three-way valve comprises, • an annular aperture (2) extending about the axis of rotation, XI, and being in fluid communication with the gas line (Ig), and • a bridging channel (2b) fluidly connecting the annular aperture (2) to a gas aperture (2g) provided in the static portion (ls) of the housing (lh), wherein the gas aperture (2g) can be fluidly communicated with the channel (lm) duct (4) by rotation of the domain (lm) to its dispensing position (ld). 8. Dispenseringsapparat ifølge et hvilket som helst af kravene 2 til 7, hvor fustagekonnektoren (11) omfatter fastklemningsmidler (11c) til kobling af fustagekonnektoren til en beholder (9), hvilke fastklemningsmidler aktiveres af aktiveringsmidler (11L) ffa en koblingsposition, hvor fustagekonnektoren er koblet til beholderen til en frigørelsesposition, hvor fustagekonnektoren kan fjernes fra beholderen.Dispensing apparatus according to any one of claims 2 to 7, wherein the clamping connector (11) comprises clamping means (11c) for coupling the clamping connector to a container (9), which clamping means is actuated by activating means (11L) ffa a coupling position wherein the clamping connector is coupled to the container to a release position where the hold connector can be removed from the container. 9. Dispenseringsapparat ifølge et hvilket som helst af de foregående krav, der omfatter en beholder (9), der indeholder en væske, der skal dispenseres, og en munding forseglet af en lukning (10), der omfatter mindst én åbning, der gør det muligt at bringe et indre af beholderen i fluidforbindelse med både opstrømsenden af dispenseringsrøret (21) og trevej sventilens gasledning (lg), hvor opstrømsenden af gasrøret skal forbindes med en kilde af gas under tryk (22g).Dispensing apparatus according to any one of the preceding claims, comprising a container (9) containing a liquid to be dispensed and an orifice sealed by a closure (10) comprising at least one opening making it it is possible to bring an interior of the container into fluid communication with both the upstream end of the dispensing pipe (21) and the three-way valve gas line (lg), the upstream end of the gas pipe having to be connected to a source of pressurized gas (22g). 10. Fremgangsmåde til isætning i og fjernelse af en beholder (9) fra et dispenseringsapparat ifølge et hvilket som helst af de foregående krav, hvilken fremgangsmåde omfatter følgende trin: (a) tilvejebringelse af en beholder (9), der indeholder en væske, der skal dispenseres, og en munding forseglet af en lukning (10), der indeholder mindst én åbning; (b) at bringe opstrømsenden af dispenseringsrøret (21) i fluidforbindelse med et indre af beholderen gennem den mindst ene åbning aflukningen (10), hvor dispenseringsventilen (23v) er i en lukket position, hvorved enhver strømning af fluid derigennem forhindres; (c) at bringe trevej sventilens gasledning (lg) i fluidforbindelse med et indre af beholderen (9), og at forbinde opstrømsenden af gasrøret (22) til en kilde af gas under tryk (22g), (d) omskiftning af trevej sventilen til dens dispenseringsposition (ld) for at gøre det muligt for gas under tryk at strømme ind i et indre af beholderen; og (e) åbning af dispenseringsventilen (23v) for at dispensere væsken fra beholderen gennem dispenseringsrøret (21).A method of inserting and removing a container (9) from a dispensing apparatus according to any one of the preceding claims, comprising the steps of: (a) providing a container (9) containing a liquid containing must be dispensed and an orifice sealed by a closure (10) containing at least one opening; (b) bringing the upstream end of the dispensing tube (21) into fluid communication with an interior of the container through the at least one opening of the closure (10), the dispensing valve (23v) being in a closed position thereby preventing any flow of fluid therethrough; (c) fluidly communicating the three-way gas line (lg) with an interior of the container (9), and connecting the upstream end of the gas tube (22) to a source of pressurized gas (22g), (d) switching the three-way valve to its dispensing position (ld) to allow pressurized gas to flow into an interior of the container; and (e) opening the dispensing valve (23v) to dispense the liquid from the container through the dispensing tube (21). 11. Fremgangsmåde ifølge krav 9, hvor dispenseringsapparatet er ifølge et hvilket som helst af kravene 2 til 8, og endvidere omfatter følgende trin: (bl) kobling af opstrømsenden af dispenseringsrøret (21) til fustagekonnektorens dispenseringskanal (lid); (cl) kobling af trevejsventilens gasledning (lg) til konnektorens gaskanal (lig); og (c2) kobling af fustagekonnektoren (11) til beholderens munding, således at både dispenseringskanalen og gaskanalen bringer det indre af beholderen i fluidforbindelse med henholdsvis dispenseringsrøret og gasrøret.The method of claim 9, wherein the dispensing apparatus is according to any one of claims 2 to 8, and further comprising the steps of (b1) coupling the upstream end of the dispensing tube (21) to the dispensing channel (lid) dispensing channel (lid); (cl) coupling the three-way valve gas line (lg) to the gas channel (body) of the connector; and (c2) coupling the gland connector (11) to the mouth of the container so that both the dispensing duct and the gas duct bring the interior of the container into fluid communication with the dispensing tube and the gas tube, respectively. 12. Fremgangsmåde ifølge krav 9 eller 10, hvor beholderen fjernes fra dispenseringsapparatet ved at: (f) omskifte trevej sventilen ffa dens dispenseringsposition (ld) til dens ventileringsposition (ldg) for at gøre det muligt for trykket inde i beholderen at falde, indtil den svarer til det atmosfæriske tryk, og (g) fjerne beholderen ffa dispenseringsapparatet.The method of claim 9 or 10, wherein the container is removed from the dispensing apparatus by: (f) switching the three-way valve ffa its dispensing position (ld) to its vent position (ldg) to allow the pressure inside the container to drop until corresponds to the atmospheric pressure, and (g) remove the container ffa dispenser. 13. Fremgangsmåde ifølge krav 12, hvor før fjernelse af beholderen fra dispenseringsapparatet, der omfatter en fustagekonnektor, fustagekonnektoren er frakoblet beholderen.The method of claim 12, wherein, prior to removing the container from the dispensing apparatus comprising a latch connector, the lubricator connector is disconnected from the container.
DK15801841.6T 2014-12-01 2015-11-30 LIQUID DISPENSERS UNDER PRESSURE WITH THREE-ROUTE VALVE FOR VENTILATION OF A CONTAINER DK3227227T3 (en)

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EP14195625.0A EP3028988A1 (en) 2014-12-01 2014-12-01 Pressurised liquid dispenser with three way valve for venting a container
PCT/EP2015/078028 WO2016087353A1 (en) 2014-12-01 2015-11-30 Pressurised liquid dispenser with three way valve for venting a container

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EP3028988A1 (en) 2016-06-08
WO2016087353A1 (en) 2016-06-09
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JP2017538632A (en) 2017-12-28

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